A summary of property and equipment as of June 30, 2025 and December 31, 2024 is as follows:


(in thousands)	June 30, 2025			December 31, 2024
Land	$	13,495		$	25,075
Buildings, building improvements and leasehold improvements		46,681			75,689
Manufacturing machinery and equipment		71,651			64,088
Rental tools		61,685			54,456
Office equipment and computer software		4,736			4,516
Vehicles		15,922			19,638
Right of use leases – finance		24,240			20,689
Total Property and equipment		238,410			264,151
Less: Accumulated depreciation and amortization		(87,740	)		(73,365	)
Net Property and equipment	$	150,670		$	190,786

The amortization expense for the right of use finance lease assets was $1.8 million and $1.5 million for the three months ended June 30, 2025 and 2024, respectively, and $3.5 million and $3.0 million for the six months ended June 30, 2025 and 2024, respectively.

Depreciation expense related to property and equipment was $9.4 million and $3.1 million for the three months ended June 30, 2025 and 2024, respectively, and $19.0 million and $4.4 million for the six months ended June 30, 2025 and 2024, respectively.